
Technical specifications
9.2 SCALANCE W1788-2 / W1788-2IA
SCALANCE W1788-x / W1748-1
84
Operating Instructions, 03/2022, C79000-G8976-C484-05
Technical specifications
Permitted cable lengths
(Ethernet)
(Alternative combinations per length range)
IE TP torsion cable
0 ... 55 m
0 ... 45 m + 10 m TP cord
IE FC TP marine cable
IE FC TP trailing cable
IE FC TP flexible cable
0 ... 85 m
0 ... 75 m + 10 m TP cord
IE FC TP standard cable
0 ... 100 m
0 ... 90 m + 10 m TP cord
Radio
Antenna connections for the device
variants:
•
SCALANCE W1788-2 M12
•
SCALANCE W1788-2 M12 EEC
Quantity
8
Design
N-Connect socket
Impedance
50
Ω
nominal
Internal antennas for the device
variant:
•
SCALANCE W1788-2IA M12
Quantity
8
Antenna gain
7 dBi at 2.4 GHz
5 dBi at 5 GHz
Frequency range
(all device variants)
2412 ... 2480 MHz
4920 ... 5875 MHz
Electrical data
Direct 24 VDC supply
Supply voltage from socket
24 V DC Safe Extra Low Voltage (SELV)
Type of current
Permitted range ±30%
16.8 to 31.2 VDC
Design
M12 socket
Properties
Not galvanically isolated
PoE to 24 V DC non-redundant design
Supply voltage from PoE
Supply voltage
48 VDC
Type of current
Permitted range
36 to 57 VDC
Properties
Galvanically isolated
Fusing
2 A / 24 VDC
1 A / 48 V DC PoE
Current consumption
At 24 VDC / typical
700 mA; max. 500 mA at PoE 36 V
For PoE 48 V / typical
385 mA; max. 500 mA at PoE 36 V
Effective power loss
At 24 VDC / typical
16.8 W; max. 17.4 W at 31.2 V DC
For PoE 48 V / typical
18.5 W; max. 18.5 W at PoE 36 V